Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 12, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 7, 2021, 7:38 PM CDT for LaMoure County, Stutsman County, North Dakota. It was in force for 67 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 7, 2021, 7:38 PM CDT (00:38 UTC)
- Expired
- Jun 7, 2021, 8:45 PM CDT
- In force
- 67 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 70.0 mph
Counties LaMoure County, ND, Stutsman County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 133 km from the middle of the area, began a volume at 00:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 7, 7:50 PM CDT | HAIL 2.5 | 5 Wnw Millarton, ND | TIME ESTIMATED FROM RADAR. SPOTTER FOUND TENNIS BALL SIZE HAIL ON GROUND. |
| Jun 7, 8:10 PM CDT | HAIL 1 | 3 Ne Millarton, ND | RELAYED THROUGH SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 7, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.6 hours before the alert went out and 162 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1478 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 2452 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.5
The text
As transmitted.
710
WUUS53 KBIS 080038
SVRBIS
NDC045-093-080145-
/O.NEW.KBIS.SV.W.0012.210608T0038Z-210608T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
738 PM CDT Mon Jun 7 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
LaMoure County in southeastern North Dakota...
Stutsman County in southeastern North Dakota...
* Until 845 PM CDT.
* At 737 PM CDT, severe thunderstorms were located along a line
extending from 5 miles south of Kensal to near Jamestown to 5 miles
west of Edgeley, moving east at 25 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Jamestown and Kensal around 745 PM CDT.
Other locations in the path of these severe thunderstorms include
Courtenay, Wimbledon, Spiritwood and Lamoure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4628 9828 4629 9904 4663 9904 4695 9917
4733 9904 4733 9847 4664 9844 4662 9803
4658 9803
TIME...MOT...LOC 0037Z 260DEG 23KT 4722 9876 4690 9879 4634 9882
HAIL...1.75IN
WIND...70MPH
$$
EDWARDS2 follow-up statements
231
WWUS53 KBIS 080107
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
807 PM CDT Mon Jun 7 2021
NDC045-093-080145-
/O.CON.KBIS.SV.W.0012.000000T0000Z-210608T0145Z/
LaMoure ND-Stutsman ND-
807 PM CDT Mon Jun 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR LAMOURE AND STUTSMAN COUNTIES...
At 805 PM CDT, severe thunderstorms were located along a line
extending from 5 miles northeast of Courtenay to 5 miles south of
Spiritwood to near Dickey, moving east at 30 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Marion.
Remember, a tornado warning is also in effect for north central
LaMoure and southeastern Stutsman counties until 830 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4628 9828 4629 9904 4663 9904 4695 9917
4733 9904 4733 9847 4664 9844 4662 9803
4658 9803
TIME...MOT...LOC 0105Z 268DEG 25KT 4726 9847 4686 9847 4650 9850
HAIL...1.75IN
WIND...70MPH
$$
EDWARDS783
WWUS53 KBIS 080131
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
831 PM CDT Mon Jun 7 2021
NDC045-093-080145-
/O.CON.KBIS.SV.W.0012.000000T0000Z-210608T0145Z/
LaMoure ND-Stutsman ND-
831 PM CDT Mon Jun 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR LAMOURE AND STUTSMAN COUNTIES...
At 830 PM CDT, severe thunderstorms were located along a line
extending from 5 miles southeast of Wimbledon to near Ypsilanti to 5
miles west of Jud, moving northeast at 25 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Jamestown, Edgeley, Lamoure, Kulm, Wimbledon, Kensal, Marion,
Ypsilanti, Adrian, Buchanan, Spiritwood Lake, Montpelier, Cleveland,
Spiritwood, Jud, Pingree, Courtenay, Dickey, Eldridge and Grand
Rapids.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4663 9904 4695 9917 4733 9904 4733 9847
4664 9844 4662 9803 4658 9803 4628 9828
4629 9904
TIME...MOT...LOC 0130Z 237DEG 20KT 4713 9837 4678 9861 4650 9900
HAIL...1.75IN
WIND...70MPH
$$
EDWARDSThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:44 PM CDT | Special Weather Statement | BIS | Emmons | 31 min |
| Jun 7, 7:58 PM CDT | Tornado Warning | BIS | LaMoure, Stutsman | 32 min |
| Jun 7, 8:01 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, Stutsman | 44 min |
| Jun 7, 8:23 PM CDT | Severe Thunderstorm Warning | BIS | Logan, McIntosh | 52 min |
| Jun 7, 8:44 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, Stutsman | 61 min |
| Jun 7, 8:50 PM CDT | Tornado Warning | BIS | LaMoure, Stutsman | 25 min |
| Jun 7, 9:26 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 64 min |
| Jun 7, 10:07 PM CDT | Special Weather Statement | BIS | Dickey | 38 min |
| Jun 7, 10:57 PM CDT | Special Weather Statement | BIS | Logan | 48 min |
| Jun 7, 11:36 PM CDT | Special Weather Statement | BIS | LaMoure | 39 min |
| Jun 7, 11:41 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 49 min |
| Jun 7, 11:51 PM CDT | Severe Thunderstorm Warning | BIS | Logan, McIntosh | 39 min |
| Jun 8, 12:26 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 28 min |
| Jun 8, 1:44 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 61 min |
| Jun 8, 1:53 AM CDT | Special Weather Statement | BIS | Stutsman | 37 min |
| Jun 8, 2:27 AM CDT | Special Weather Statement | BIS | Stutsman | 33 min |
| Jun 8, 2:44 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 61 min |
| Jun 8, 2:56 AM CDT | Special Weather Statement | BIS | Stutsman | 34 min |
| Jun 8, 3:11 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 28 min |
| Jun 8, 3:58 AM CDT | Areal Flood Advisory | BIS | LaMoure, Stutsman | 4 hr |
| Jun 8, 4:00 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 60 min |
| Jun 8, 4:46 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 59 min |
| Jun 8, 4:57 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 63 min |
| Jun 8, 5:13 AM CDT | Areal Flood Advisory | BIS | Stutsman | 3 hr |
| Jun 8, 6:00 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 60 min |
| Jun 8, 6:09 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 66 min |
| Jun 8, 7:07 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 38 min |
| Jun 8, 7:50 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 55 min |
| Jun 8, 8:02 AM CDT | Severe Thunderstorm Warning | BIS | Kidder | 43 min |
| Jun 8, 8:15 AM CDT | Areal Flood Advisory | BIS | Kidder, Stutsman | 3 hr |
| Jun 8, 9:04 AM CDT | Severe Thunderstorm Warning | BIS | Kidder | 41 min |
| Jun 8, 10:06 AM CDT | Severe Thunderstorm Warning | BIS | Kidder | 39 min |
| Jun 8, 10:44 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 46 min |
| Jun 8, 11:07 AM CDT | Flash Flood Warning | BIS | Kidder | 3 hr |
| Jun 8, 11:27 AM CDT | Severe Thunderstorm Warning | BIS | Emmons | 33 min |
| Jun 8, 11:44 AM CDT | Areal Flood Advisory | BIS | Kidder, LaMoure, Stutsman | 4 hr |
| Jun 8, 12:05 PM CDT | Special Weather Statement | BIS | Emmons | 55 min |
| Jun 8, 12:23 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder | 52 min |
| Jun 8, 12:32 PM CDT | Flash Flood Warning | BIS | Burleigh, Emmons | 3 hr |
| Jun 8, 12:59 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 61 min |
| Jun 8, 1:39 PM CDT | Flash Flood Warning | BIS | Burleigh, Emmons, Kidder | 2 hr |
| Jun 8, 1:45 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 60 min |
| Jun 8, 2:00 PM CDT | Areal Flood Warning | BIS | Kidder | 2 hr |
| Jun 8, 2:43 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 62 min |
| Jun 8, 3:34 PM CDT | Areal Flood Advisory | BIS | Grant, Morton, Sioux | 3 hr |
| Jun 8, 3:45 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 60 min |
| Jun 8, 3:50 PM CDT | Flash Flood Warning | BIS | Grant, Morton | 3 hr |
| Jun 8, 3:57 PM CDT | Areal Flood Warning | BIS | Burleigh, Emmons, Kidder | 6 hr |
| Jun 8, 4:04 PM CDT | Areal Flood Advisory | BIS | LaMoure, Stutsman | 10 hr |
| Jun 8, 4:26 PM CDT | Special Weather Statement | BIS | Burleigh | 34 min |
| Jun 8, 4:41 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 49 min |
| Jun 8, 4:50 PM CDT | Special Weather Statement | BIS | Adams | 40 min |
| Jun 8, 5:28 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 32 min |
| Jun 8, 6:31 PM CDT | Areal Flood Advisory | BIS | Sioux | 10 hr |
| Jun 8, 6:32 PM CDT | Severe Thunderstorm Warning | BIS | Golden Valley, McKenzie | 58 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.